Chung, Gary Ka-Ki
Dong, Dong
Wong, Samuel Yeung-Shan
Wong, Hung
Chung, Roger Yat-Nork
Funding for this research was provided by:
The Central Policy Unit of the Government of the Hong Kong Special Administrative Region and the Research Grants Council of the Hong Kong Special Administrative Region, China (4003-SPPR-11)
Article History
Received: 19 July 2019
Accepted: 13 January 2020
First Online: 28 January 2020
Ethics approval and consent to participate
: The study was approved by the Ethics Committee of the Chinese University of Hong Kong in Oct 2011.
: Not applicable.
: The authors declare that they have no competing interests.